<template>
    <teleport to='body' >
        <template v-if="visible">
            <div class="gulu-dialog-overlay" @click="onClickOverlay"></div>
            <div class="gulu-dialog-wrapper">
                <div class="gulu-dialog" >
                    <header>
                        <slot name="title" />
                        <span @click="close" class="gulu-dialog-close"></span>
                    </header>
                    <main>
                        <slot name="content" />
                    </main>
                    <footer>
                        <Button level="main" @click="OK">OK</Button>
                        <Button @click="Cancel">Cancel</Button>
                    </footer>
                </div>
            </div>
        </template>
    </teleport>
</template>
<script lang="ts">
import Button from "./Button.vue";
export default {
    components: { Button },
    props: {
        visible: {
            type: Boolean,
            default: false
        },
        onClickOverlay: {
            type: Boolean,
            default: true,
        },
        OK: {
            type: Function
        },
        Cancel: {
            type: Function
        }
    },
    setup(props,context){
        const close = () => {
            context.emit('update:visible' , false)
        }
        const onClickOverlay = () => {
            if(props.onClickOverlay) {
                close()
            }
        }
        const OK = () => {
            if(props.OK?.() !== false) {
                close()
            }
        }
        const Cancel = () => {
            context.emit('Cancel')
            props.Cancel?.() 
            close()
        }
        return {
            close,
            onClickOverlay,
            OK,
            Cancel
        }
    }
}
</script>
<style lang="scss">
$radius: 4px;
$border-color: #d9d9d9;
.gulu-dialog {
  background: white;
  border-radius: $radius;
  box-shadow: 0 0 3px fade_out(black, 0.5);
  min-width: 15em;
  max-width: 90%;
  &-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: fade_out(black, 0.5);
    z-index: 10;
  }
  &-wrapper {
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 11;
  }
  >header {
    padding: 12px 16px;
    border-bottom: 1px solid $border-color;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 20px;
  }
  >main {
    padding: 12px 16px;
  }
  >footer {
    border-top: 1px solid $border-color;
    padding: 12px 16px;
    text-align: right;
  }
  &-close {
    position: relative;
    display: inline-block;
    width: 16px;
    height: 16px;
    cursor: pointer;
    &::before,
    &::after {
      content: '';
      position: absolute;
      height: 1px;
      background: black;
      width: 100%;
      top: 50%;
      left: 50%;
    }
    &::before {
      transform: translate(-50%, -50%) rotate(-45deg);
    }
    &::after {
      transform: translate(-50%, -50%) rotate(45deg);
    }
  }
}
</style>